●Use for T-REX 600N/600E/550
●Utilizes newly developed, highest spec and superior anti-wear material to increase the overall strength and durability for torque tube drive gear. Effectively minimize gear striping and crash damage.
●Must with Autorotation Tail Drive Gear set(H60020AA)
●600 Front drive gear assembly x 1
●600 Long umbrella gear x 1
●600 Short umbrella gear x 1